Enthalpy change for one mole, (AH) -58.3 kj mol Density 1 M NaCl, (4) 1.037 g mL Specific heat of 1 M NaCl solution, (C) 3.90 Jg' K Molarity of sodium hydroxide g and hydrochloric acidjg used, (c) 2.0 mol L Volume of each of sodium hydroxide,ag and hydrochloric acid,g Used, (V) 25.0 ml Average neutralisation temperature rise, (AT) 11.8 °C Unrounded Rounded Calculation Equation value value Moles of H,0 produced, (n) M(mal) = C(mol L-1) × V(1) 0.050 Enthalpy change for the reaction, (A,H A,H) = "(ma) × AH(J mol") -2.9150 -2.9 Enthalpy change for the corresponding temperature change, (A,H) A,H(u) = -A, H(a) 2.9150 2.9 m«) = V(mL) × Ple ml-1) 51.9 51.850 Mass of solution, (m) 51.850 Heat capacity of the solution, ( Caberimeter) Culta (J K-') = m(a) × Cur'k-") 202.2150 202 Heat capacity of the calorimeter, ( Calorimeter(: (J K-1) Cuwita ΔΤ

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Enthalpy change for one mole, (AH)
-58.3 k) mol-1
Density 1 M NaCI, (p)
1.037 g mL-1
6,
Specific heat of 1 M NaCl solution, (C')
3.90 Jg1 K-1
Molarity of sodium hydroxide ag) and hydrochloric acid(aq) used, (c)
2.0 mol L-1
Volume of each of sodium hydroxide(ag) and hydrochloric acid(aq) used, (V)
25.0 mL
Average neutralisation temperature rise, (AT)
11.8 °C
Unrounded
Rounded
Calculation
Equation
value
value
Moles of H20 produced, (n)
n(mol)
C(mol L-1) × V(L)
0.050
Enthalpy change for the reaction, (A„H
A,H(kJ)
n(mol) X AH(kJ mol-1)
-2.9150
-2.9
Enthalpy change for the corresponding
A;H(k) = -A,H (kJ)
2.9150
2.9
temperature change, (A¿H)
51.9
Mass of solution, (m)
m(3) = V(mL)
P(g mL-1)
51.850
51.850
Heat capacity of the solution, (
Csoltn (J K-1) = m(3) × C(Jg-1K-1)
202.2150
202
Ccalorimeter)
Heat capacity of the calorimeter, (
´calorimeter (J K-1)
Csoltn
4
Cealorimeter)
AT
2.
Transcribed Image Text:Enthalpy change for one mole, (AH) -58.3 k) mol-1 Density 1 M NaCI, (p) 1.037 g mL-1 6, Specific heat of 1 M NaCl solution, (C') 3.90 Jg1 K-1 Molarity of sodium hydroxide ag) and hydrochloric acid(aq) used, (c) 2.0 mol L-1 Volume of each of sodium hydroxide(ag) and hydrochloric acid(aq) used, (V) 25.0 mL Average neutralisation temperature rise, (AT) 11.8 °C Unrounded Rounded Calculation Equation value value Moles of H20 produced, (n) n(mol) C(mol L-1) × V(L) 0.050 Enthalpy change for the reaction, (A„H A,H(kJ) n(mol) X AH(kJ mol-1) -2.9150 -2.9 Enthalpy change for the corresponding A;H(k) = -A,H (kJ) 2.9150 2.9 temperature change, (A¿H) 51.9 Mass of solution, (m) m(3) = V(mL) P(g mL-1) 51.850 51.850 Heat capacity of the solution, ( Csoltn (J K-1) = m(3) × C(Jg-1K-1) 202.2150 202 Ccalorimeter) Heat capacity of the calorimeter, ( ´calorimeter (J K-1) Csoltn 4 Cealorimeter) AT 2.
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